The World Health Organization reported Monday that the death toll from the current Ebola outbreak in west Africa is 887, the worst ever. Meanwhile, an American doctor who contracted the disease is being treated in Atlanta, and a second aid worker will soon arrive for treatment. Editorial cartoonist Bob Englehart says Ebola is one of multiple threats encroaching on man, while John Darkow wonders about the Centers for Disease Control’s involvement in the treatment of the two Americans.